Patents by Inventor Mario Kennekke

Mario Kennekke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the production of 17-oxosteroids via the fermentative oxidation of 17.beta.-hydroxysteroids by Mycobacterium
    Patent number: 5472854
    Abstract: A process for the production of 17-oxosteroids by fermentative oxidation of 17.beta.-hydroxy steroids is described, which is characterized in that for the fermentation, a bacterial culture of the species Mycobacterium spec. NRRL B-3805, Mycobacterium spec. NRRL B-3683, Mycobacterium phlei NRRL B-8154 or Mycobacterium fortuitum NRRL B-8153 is used.
    Type: Grant
    Filed: May 17, 1993
    Date of Patent: December 5, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Alfred Weber, Mario Kennekke, Uwe Klages, Klaus Nickisch, Ralph Rohde
  • Process for the production of 20-methyl-5,7-pregnadiene-3.beta.,21-diol derivatives using mycobacterium
    Patent number: 5429934
    Abstract: 20 -Methyl-5,7-pregnadiene-3.beta.,21-diol derivatives of general formula I ##STR1## in which R.sub.1 means a hydrogen atom or a lower alkyl group andR.sub.2 means a lower alkyl group orR.sub.1 and R.sub.2 together represent a tetramethylene group or a pentamethylene group and a process for their production are described.
    Type: Grant
    Filed: June 18, 1992
    Date of Patent: July 4, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Alfred Weber, Mario Kennekke, Gunter Neef